62 lines
2.7 KiB
C#
62 lines
2.7 KiB
C#
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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using MessagePack;
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using Newtonsoft.Json;
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using static CultMath.math;
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// Electronic warfare, hide-launch (campaign aetheria-ew, invariants lie-is-own-emission and lies-cost-real-heat): a
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// gear that thins its own ship's launch flash. It never stores a factor and never writes a signature: Entity.SetSignature
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// asks each equipped suppressor at write time, so the order in which a weapon and a suppressor execute decides nothing.
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[Inspectable, MessagePackObject, JsonObject(MemberSerialization.OptIn), RuntimeInspectable]
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public class LaunchSuppressorData : BehaviorData
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{
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// The multiplier on the flash, clamped to 0..1: a suppressor never brightens a launch.
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[Inspectable, JsonProperty("factor"), Key(1), RuntimeInspectable]
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public PerformanceStat Factor = new PerformanceStat();
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// Heat paid to the suppressor's own cell per unit of strength it removed.
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[Inspectable, JsonProperty("heatPerUnit"), Key(2)]
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public PerformanceStat HeatPerUnit = new PerformanceStat();
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// Above this item temperature the suppressor scales nothing and pays nothing.
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[Inspectable, JsonProperty("ratedTemperature"), Key(3)]
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public PerformanceStat RatedTemperature = new PerformanceStat();
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public override Behavior CreateInstance(EquippedItem item)
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{
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return new LaunchSuppressor(this, item);
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}
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public override Behavior CreateInstance(ConsumableItemEffect item)
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{
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return new LaunchSuppressor(this, item);
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}
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}
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public class LaunchSuppressor : Behavior
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{
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private readonly LaunchSuppressorData _data;
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public LaunchSuppressor(LaunchSuppressorData data, EquippedItem item) : base(data, item)
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{
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_data = data;
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}
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public LaunchSuppressor(LaunchSuppressorData data, ConsumableItemEffect item) : base(data, item)
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{
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_data = data;
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}
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// Called by Entity.SetSignature for every light signature the ship writes; the strength passes through unchanged
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// unless this is a launch flash and the suppressor is running below its rated temperature.
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internal float Suppress(SignatureChannel channel, float strength)
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{
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if (channel != SignatureChannel.LaunchFlash || Item == null || !Item.Active.Value || Temperature > Evaluate(_data.RatedTemperature))
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return strength;
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var scaled = strength * clamp(Evaluate(_data.Factor), 0f, 1f);
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AddHeat((strength - scaled) * Evaluate(_data.HeatPerUnit));
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return scaled;
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}
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public override bool Execute(float dt) => true;
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}
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